Sadia Afrin;Shuvra Prokash Biswas;Sudipto Mondal;Md. Rabiul Islam;Rakibuzzaman Shah
{"title":"Improved PWM Switching Scheme to Mitigate Power Loss and Switch Temperature of CHB Inverters","authors":"Sadia Afrin;Shuvra Prokash Biswas;Sudipto Mondal;Md. Rabiul Islam;Rakibuzzaman Shah","doi":"10.1109/TASC.2024.3469848","DOIUrl":null,"url":null,"abstract":"Pulsewidth modulation (PWM) techniques play a crucial role in determining the power quality of multilevel-inverter-based grid-tied solar photovoltaic (PV) fed systems. However, the existing PWM techniques suffer from the heat dissipation of the switches and power loss issues. In view of this concern, a new PWM technique is proposed to mitigate the junction temperature as well as the power loss of a cascaded H-bridge (CHB) inverter employed in a grid-tied solar PV system. Apart from the junction temperature of the power switch and power loss, different steady-state and dynamic responses of the CHB inverter are investigated using MATLAB/Simulink and PLECS software environments. Experimental results are also provided to support the simulation analysis.","PeriodicalId":13104,"journal":{"name":"IEEE Transactions on Applied Superconductivity","volume":null,"pages":null},"PeriodicalIF":1.7000,"publicationDate":"2024-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Transactions on Applied Superconductivity","FirstCategoryId":"101","ListUrlMain":"https://ieeexplore.ieee.org/document/10716348/","RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 0
Abstract
Pulsewidth modulation (PWM) techniques play a crucial role in determining the power quality of multilevel-inverter-based grid-tied solar photovoltaic (PV) fed systems. However, the existing PWM techniques suffer from the heat dissipation of the switches and power loss issues. In view of this concern, a new PWM technique is proposed to mitigate the junction temperature as well as the power loss of a cascaded H-bridge (CHB) inverter employed in a grid-tied solar PV system. Apart from the junction temperature of the power switch and power loss, different steady-state and dynamic responses of the CHB inverter are investigated using MATLAB/Simulink and PLECS software environments. Experimental results are also provided to support the simulation analysis.
期刊介绍：
IEEE Transactions on Applied Superconductivity (TAS) contains articles on the applications of superconductivity and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Large scale applications include magnets for power applications such as motors and generators, for magnetic resonance, for accelerators, and cable applications such as power transmission.
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